From 4f6410f5cb1c9ad8cbe4f5a96dd706023ff4dbc5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 31 Mar 2004 21:59:29 +0000
Subject: [PATCH] MachineBasicBlock::remove should not modify the iterator
 passed in

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12571 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/PHIElimination.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index 181fe469a13..324f4c4e853 100644
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -71,8 +71,7 @@ bool PNE::EliminatePHINodes(MachineFunction &MF, MachineBasicBlock &MBB) {
 
   while (MBB.front().getOpcode() == TargetInstrInfo::PHI) {
     // Unlink the PHI node from the basic block... but don't delete the PHI yet
-    MachineBasicBlock::iterator begin = MBB.begin();
-    MachineInstr *MI = MBB.remove(begin);
+    MachineInstr *MI = MBB.remove(MBB.begin());
     
     assert(MRegisterInfo::isVirtualRegister(MI->getOperand(0).getReg()) &&
            "PHI node doesn't write virt reg?");